3qtk

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{{STRUCTURE_3qtk| PDB=3qtk | SCENE= }}
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==The crystal structure of chemically synthesized VEGF-A==
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===The crystal structure of chemically synthesized VEGF-A===
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<StructureSection load='3qtk' size='340' side='right' caption='[[3qtk]], [[Resolution|resolution]] 1.85&Aring;' scene=''>
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{{ABSTRACT_PUBMED_21744452}}
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== Structural highlights ==
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<table><tr><td colspan='2'>[[3qtk]] is a 6 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QTK OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3QTK FirstGlance]. <br>
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==Disease==
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</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=ACT:ACETATE+ION'>ACT</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=TFA:TRIFLUOROACETIC+ACID'>TFA</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3qtk FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3qtk OCA], [http://www.rcsb.org/pdb/explore.do?structureId=3qtk RCSB], [http://www.ebi.ac.uk/pdbsum/3qtk PDBsum]</span></td></tr>
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</table>
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== Disease ==
[[http://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN]] Defects in VEGFA are a cause of susceptibility to microvascular complications of diabetes type 1 (MVCD1) [MIM:[http://omim.org/entry/603933 603933]]. These are pathological conditions that develop in numerous tissues and organs as a consequence of diabetes mellitus. They include diabetic retinopathy, diabetic nephropathy leading to end-stage renal disease, and diabetic neuropathy. Diabetic retinopathy remains the major cause of new-onset blindness among diabetic adults. It is characterized by vascular permeability and increased tissue ischemia and angiogenesis.
[[http://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN]] Defects in VEGFA are a cause of susceptibility to microvascular complications of diabetes type 1 (MVCD1) [MIM:[http://omim.org/entry/603933 603933]]. These are pathological conditions that develop in numerous tissues and organs as a consequence of diabetes mellitus. They include diabetic retinopathy, diabetic nephropathy leading to end-stage renal disease, and diabetic neuropathy. Diabetic retinopathy remains the major cause of new-onset blindness among diabetic adults. It is characterized by vascular permeability and increased tissue ischemia and angiogenesis.
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== Function ==
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[[http://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN]] Growth factor active in angiogenesis, vasculogenesis and endothelial cell growth. Induces endothelial cell proliferation, promotes cell migration, inhibits apoptosis and induces permeabilization of blood vessels. Binds to the FLT1/VEGFR1 and KDR/VEGFR2 receptors, heparan sulfate and heparin. NRP1/Neuropilin-1 binds isoforms VEGF-165 and VEGF-145. Isoform VEGF165B binds to KDR but does not activate downstream signaling pathways, does not activate angiogenesis and inhibits tumor growth.<ref>PMID:11427521</ref> <ref>PMID:15520188</ref> <ref>PMID:16489009</ref>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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Efficient access: The 204-residue covalent-dimer vascular endothelial growth factor (VEGF, see picture) with full mitogenic activity was prepared from three unprotected peptide segments by one-pot native chemical ligations. The covalent structure of the synthetic VEGF was confirmed by precise mass measurement, and the three-dimensional structure of the synthetic protein was determined by high-resolution X-ray crystallography.
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==Function==
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Total chemical synthesis of biologically active vascular endothelial growth factor.,Mandal K, Kent SB Angew Chem Int Ed Engl. 2011 Aug 22;50(35):8029-33. doi: 10.1002/anie.201103237. , Epub 2011 Jul 8. PMID:21744452<ref>PMID:21744452</ref>
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[[http://www.uniprot.org/uniprot/VEGFA_HUMAN VEGFA_HUMAN]] Growth factor active in angiogenesis, vasculogenesis and endothelial cell growth. Induces endothelial cell proliferation, promotes cell migration, inhibits apoptosis and induces permeabilization of blood vessels. Binds to the FLT1/VEGFR1 and KDR/VEGFR2 receptors, heparan sulfate and heparin. NRP1/Neuropilin-1 binds isoforms VEGF-165 and VEGF-145. Isoform VEGF165B binds to KDR but does not activate downstream signaling pathways, does not activate angiogenesis and inhibits tumor growth.<ref>PMID:11427521</ref><ref>PMID:15520188</ref><ref>PMID:16489009</ref>
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==About this Structure==
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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[[3qtk]] is a 6 chain structure. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3QTK OCA].
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</div>
==See Also==
==See Also==
*[[Vascular Endothelial Growth Factor|Vascular Endothelial Growth Factor]]
*[[Vascular Endothelial Growth Factor|Vascular Endothelial Growth Factor]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:021744452</ref><references group="xtra"/><references/>
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__TOC__
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[[Category: Kent, S B.H.]]
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</StructureSection>
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[[Category: Mandal, K.]]
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[[Category: Kent, S B.H]]
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[[Category: Mandal, K]]
[[Category: Covalent dimer]]
[[Category: Covalent dimer]]
[[Category: Cysteine knot protein]]
[[Category: Cysteine knot protein]]

Revision as of 11:00, 19 December 2014

The crystal structure of chemically synthesized VEGF-A

3qtk, resolution 1.85Å

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